In an OSPF network which two statements describe the link-state database (LSDB)? (Choose two.) It can be viewed by using the show ip ospf database command. It contains a list…
What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.) increased network management options increased flexibility reduced costs increased bandwidth availability decreased number…
An OSPF router has three directly connected networks; 10.0.0.0/16, 10.1.0.0/16, and 10.2.0.0/16. Which OSPF network command would advertise only the 10.1.0.0 network to neighbors? router(config-router)# network 10.1.0.0 0.0.255.255 area 0…
Which group of APIs are used by an SDN controller to communicate with various applications? westbound APIs northbound APIs southbound APIs eastbound APIs Explanation & Hint: In the context of…
A network administrator is troubleshooting an OSPF problem that involves neighbor adjacency. What should the administrator do? Make sure that the router ID is included in the hello packet. Make…
What type of traffic is described as predictable and smooth? video data voice Explanation & Hint: The type of traffic described as predictable and smooth is typically voice traffic. Voice…
When QoS is implemented in a converged network, which two factors can be controlled to improve network performance for real-time traffic? (Choose two.) jitter packet routing link speed packet addressing…
What command would be used as part of configuring NAT or PAT to display all static translations that have been configured? show ip nat translations show ip nat statistics show…
ABCTech is investigating the use of automation for some of its products. In order to control and test these products, the programmers require Windows, Linux, and MAC OS on their…
Which queuing mechanism has no provision for prioritizing or buffering but simply forwards packets in the order they arrive? LLQ CBWFQ WFQ FIFO Explanation & Hint: The queuing mechanism that…
When will an OSPF-enabled router transition from the Down state to the Init state? when the router receives a hello packet from a neighbor router when an OSPF-enabled interface starts…
A network administrator modified an OSPF-enabled router to have a hello timer setting of 20 seconds. What is the new dead interval time setting by default? 40 seconds 60 seconds…
An ACL is applied inbound on a router interface. The ACL consists of a single entry: access-list 100 permit tcp 192.168.10.0 0.0.0.255 any eq www . If a packet with a…
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 172.16.91.0 255.255.255.192. What wildcard mask would the administrator use in the OSPF…
Which type of VPN routes packets through virtual tunnel interfaces for encryption and forwarding? IPsec virtual tunnel interface GRE over IPsec dynamic multipoint VPN MPLS VPN Explanation & Hint: The…
A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.) municipal Wi-Fi digital subscriber line Ethernet WAN leased…
Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection? cable ISDN dialup DSL Explanation & Hint:…
What command would be used as part of configuring NAT or PAT to link the inside local addresses to the pool of addresses available for PAT translation? ip nat inside…
Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.) OS/IOS version interface identifier cable type and identifier cable specification device type…
Which troubleshooting approach is more appropriate for a seasoned network administrator rather than a less-experienced network administrator? an approach comparing working and nonworking components to spot significant differences a structured…